International partnerships:
-1975 - guest appearance at the Wielki Theatre - Lodz, Poland with the opera King Kaloyan by P. "Our cooperation will be fruitful..." (Interview with the director of "Wieliczka" Wojciech Boczkowski). c. September, № 142, 2 Dec. 1975, с. 2. Bix, Rosalia. Narodna Kultura, 1975 (Issue 51 (1015), 20.12.1975);
-1988 -visited the opera festival in Corfu Island with two performances of Puccini's La bohème;
-1989 - visited Chisinau with a performance of Puccini's "La bohème"
-1991 - guest appearance on the island of Puccini. Corfu with "Madame Butterfly" and "Turandot" by Puccini and Requiem - Verdi;
-1994 - visited Bregenz, Austria and Hanau, Germany with Mozart's Don Giovanni /video/
-2000 - in Tivoli, Italy with Rossini's The Barber of Seville and Verdi's Rigoletto;
-2001 - visited Italy with Puccini's Tosca;
-2002/2003 - toured with Verdi's Don Carlos in Spain and Salzburg, Austria;
-2004 - guest performance of Verdi's Macbeth in Salzburg;
-2004 - production of "Medium" and "The Telephone" by Giancarlo Menotti with the University of Pittsburgh Opera Study Theatre in Pittsburgh, Pennsylvania under the direction of Genko Geshev;
-2005 - toured the United States with Verdi's Macbeth, Puccini's Madame Butterfly, Rossini's The Barber of Seville, and Verdi's Don Carlos;
-2011 - guest appearances in Belgium and the Netherlands with Verdi's Rigoletto and La Traviata;
-2012 - "Sister Angelica" and "Gianni Schicchi" by Puccini with the International Opera Academy - Varna;
-2015 - Balkan Opera Network - Memorandum of Cooperation;
-2016 - Balkan Opera Network production - concert with repertoire and participation of performers from Bulgaria, Serbia, Bosnia and Herzegovina, Macedonia and Romania /video/
-2017 - guest appearance of Opera Theatre "Madlenianum" - Belgrade with the opera "Orpheus" by K. Monteverdi /videofragment after 12 min/. ; Music and Art Private University - Vienna, NMA "Prof. Pancho Vladigerov" with co-production of the opera "Alcina" by Handel - video fragmentafter 25 min.:
- 2018 - guest appearance of the National Opera and Ballet Theatre - Skopje, North Macedonia with "The Barber of Seville" by Rossini - /video fragmentsafter 47 min/ and guest production team with sets and costumes from the Skopje production of the opera "The Italian in Algiers", guest appearance of the State Opera - Stara Zagora in Skopje /video/:
-2019 - Opera Baltic - Gdansk, Poland with the opera "Thais" by Masne /video/:
-2021 - visiting Bonn with the ballet "Swan Lake" and "The Nutcracker" by Tchaikovsky /review1, review 2, review 3/;
-2024 - International Competition for Young Tenors "Kamen's Voice" /video/:
-2023 - participation in the creation of an opera theatre in Pristina, Kosovo /video/:
-2019 - "The African Woman" by Giacomo Meyerbeer" together with Deutsche Oper - Berlin - An African Woman in Stara Zagora - Documentary /video/;
-2021 - "Attila" with the opera house in Cagliari, Italy, link /video:
-2022 - tour to Germany and the Netherlands with Tchaikovsky's Swan Lake and The Nutcracker /review,video/:
-2022 - visit to Cyprus, Nicosia, Paphos and Limassol with "Swan Lake" and "Sleeping Beauty" /review/:
-2023 - visit to the Netherlands and Germany;
-2024 - guest appearance in Münster, Germany;
-2024 - guest appearance with Mozart's Requiem in Sarajevo, Bosnia and Herzegovina /video/